Meaning of defecation: Movement of feces (undigested food, bacteria, mucus, and cells from the lining of the intestines) through the bowel and out the anus.

Definition of defecation

Movement of feces (undigested food, bacteria, mucus, and cells from the lining of the intestines) through the bowel and out the anus. Also called bowel movement.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.